The bearing of a bird on a tree from a hunter on the ground is N72oE. What is the bearing of the hunter from the birds?

Without using table, calculate the value of 1 + sec2 30o

What is the probability that a number chosen at random from the intergers between 1 and 10 inclusive is either a prime or a multiple of 3?

Find the area of a regular hexagon inscribed in a circle of radius 8cm

If cos \(\theta\) = \(\frac{\sqrt{3}}{2}\) and \(\theta\) is less than 90o. Calculate \(\frac{\cot(90 - \theta)}{sin^2\theta}\)